(19)
(11) EP 2 788 600 A1

(12)

(43) Date of publication:
15.10.2014 Bulletin 2014/42

(21) Application number: 12808995.0

(22) Date of filing: 05.12.2012
(51) International Patent Classification (IPC): 
F02B 33/38(2006.01)
F02B 29/04(2006.01)
F04C 18/12(2006.01)
 F02B 39/10(2006.01)
H01M 8/04(2006.01)
F04D 25/06(2006.01)
(86) International application number:
PCT/US2012/067982
(87) International publication number:
WO 2013/086018 (13.06.2013 Gazette 2013/24)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 09.12.2011 US 201113315799

(71) Applicant: Eaton Corporation
Cleveland OH 44122 (US)

(72) Inventors:
  • EYBERGEN, William, Nicholas
    Harrison Twp. Macomb County, MI 48045 (US)
  • WALKER, John, G.
    Clarkston, MI 48346 (US)

(74) Representative: Schwan Schorer & Partner mbB 
Patentanwälte Bauerstrasse 22
80796 München
80796 München (DE)

   


(54) AIR SUPPLY SYSTEM WITH TWO-STAGE ROOTS BLOWER